Chapter 3

Question 1

What are eucaryotes?

Answer 1

True Nucleus. Single Cell Organisms.

Question 2

What is single cell?

Answer 2

Unicellular.

Question 3

What is many cells?

Answer 3

Multicellular.

Question 4

What are the three unit of measures?

Answer 4

Micrometer, Nanometre, Millimetre.

Question 5

What are light microscopes?

Answer 5

Use light rays.

Question 6

What are electron microscopes?

Answer 6

Use small particles called electrons.

Question 7

What is monocular?

Answer 7

Using one eye.

Question 8

What is binocular?

Answer 8

Using two eyes.

Question 9

Magnification equation?

Answer 9

Eyepiece: x 10, Objective: x40 = Magnification = 400

Question 10

What are the five kingdoms?

Answer 10

Animalia - Animals.
Platae - Plants.
Fungi - Mushrooms.
Protista - Algae, Euglena.
Prokaryote - Bacteria.

Question 11

What is an Animal Cell?

Answer 11

Circle, Cell Membrane, Cytoplasm, Nucleus.

Question 12

What is a Plant Cell?

Answer 12

Rectangular, Cell Membrane, Cytoplasm, Nucleus, Vacuole, Cell Wall, Chloroplasts.

Question 13

What are the 9 body cells?

Answer 13

Nerve, Muscle, Red Blood, Bone, Lung, Egg, Skin, Sperm, Tissue.

Question 14

What are the 6 Plant Cells?

Answer 14

Guard - Stomata, Xylem, Root Hair, Leaf, Phloem, Epidermal.

Question 15

What is skin?

Answer 15

Protects body from disease, waterproof, chemicals, sun, controls body temp, forms Vitamin D, releases water.

Question 16

What are the three skin layers?

Answer 16

Epidermis (top) - skin cells.
Dermis (middle) - receptors, sweat glands.
Fatty Tissue (bottom) - thick insulator.

Question 17

What is the body’s constant temperature?

Answer 17

37.

Question 18

What do sweat glands produce?

Answer 18

Sweat.

When sweat evaporates it takes heat out of body.

Question 19

What are prokaryotes?

Answer 19

No True Nucleus. Bacteria.